DTC 412

UnclassifiedFuel

What This Code Means

MIL illuminates during active fault; Adaptive fuel control disabled for the remainder of the key-on cycle; Closed Loop operation disabled while fault is active

Possible Causes

  • •Shorted injector coil on cylinder #1
  • •Injector low-side driver sense voltage greater than 4 volts for 10 consecutive injector firings while battery voltage is less than 16 volts

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Get a diagnosis walkthrough for DTC 412 on your specific General Motors Powertrain unit — cited to the OEM manual, not a forum guess.

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